/* 官網 v3 首頁（見 site/DESIGN.md）。接在 site.css 之後，只作用在 body.v3；顏色、圓角、陰影、字體都用 site.css 的 token（取自 web/design-tokens 的 kryspal 主題）。無內嵌樣式、無外部資源。 */

body.v3 {
  --line: var(--separator);
  --line-2: var(--edge);
  --ov-1: rgba(190, 232, 255, 0.05);
  --ov-2: rgba(190, 232, 255, 0.1);
  --fg: var(--text);
  --fg-2: var(--text-2);
  --fg-3: var(--text-3);
  --out: cubic-bezier(0.23, 1, 0.32, 1);
  --slow: cubic-bezier(0.165, 0.84, 0.44, 1);
  background: var(--bg-base);
  color: var(--text);
  font: 400 16px/1.6 var(--font);
}
:root[data-theme='light'] body.v3 { --ov-1: rgba(13, 60, 90, 0.05); --ov-2: rgba(13, 60, 90, 0.1); }
body.v3 .wrap { max-width: 1204px; padding: 0 20px; }
body.v3 .narrow { max-width: 1204px; }
/* 閱讀型長文只限制文字段落的行寬，容器、標題與區塊邊界和其他頁一致 */
body.v3 .doc > p, body.v3 .doc > ul, body.v3 .doc > ol, body.v3 .doc > h2, body.v3 .doc > h3, body.v3 .doc li, body.v3 .doc .ans, body.v3 .doc .log p, body.v3 .doc .log ul, body.v3 .fq p { max-width: 760px; }
@media (min-width: 720px) { body.v3 .wrap { padding: 0 32px; } }
body.v3 .mono { font-family: var(--mono); }
body.v3 .center { text-align: center; }

/* ---------- 導覽：懸浮膠囊 ---------- */
body.v3 .top { position: fixed; left: 0; right: 0; top: 12px; background: none; border: 0; backdrop-filter: none; -webkit-backdrop-filter: none; pointer-events: none; }
body.v3 .top .wrap { max-width: 1204px; }
body.v3 .top .wrap > * { pointer-events: auto; }
body.v3 .top .wrap { min-height: 56px; padding: 0 12px 0 20px; margin: 0 auto; background: var(--glass); border: 1px solid var(--line); border-radius: 16px; backdrop-filter: saturate(160%) blur(18px); -webkit-backdrop-filter: saturate(160%) blur(18px); width: calc(100% - 24px); max-width: 1204px; pointer-events: auto; transition: background 0.3s ease, border-color 0.3s ease; }
body.v3 .nav a { color: var(--fg-2); border-radius: 6px; transition: color 0.2s ease, background 0.2s ease; }
body.v3 .nav a:hover { color: var(--fg); background: var(--ov-1); }
body.v3 .nav .lang { border-color: var(--line-2); }
body.v3 .mmenu summary { border-color: var(--line-2); min-height: 44px; display: inline-flex; align-items: center; }
body.v3 .mmenu nav { background: var(--surface-strong); border: 1px solid var(--line-2); box-shadow: 0 24px 60px -16px #000; }
body.v3 main { padding-top: 0; padding-bottom: clamp(72px, 10vw, 140px); }

/* ---------- 標題層級 ---------- */
body.v3 h1 { font-size: clamp(40px, 6.2vw, 72px); line-height: 1.04; font-weight: 600; letter-spacing: -0.03em; }
body.v3 h2 { font-size: clamp(28px, 3.6vw, 44px); line-height: 1.1; font-weight: 600; letter-spacing: -0.022em; }
body.v3 h3 { font-size: 20px; line-height: 1.3; font-weight: 590; letter-spacing: -0.012em; }
body.v3 .lead { color: var(--fg-2); font-size: clamp(17px, 1.7vw, 20px); line-height: 1.5; }
body.v3 .muted { color: var(--fg-2); }
body.v3 .small { color: var(--fg-3); }
body.v3 .grad { color: var(--accent); }
html[lang='en'] body.v3 h1, html[lang='en'] body.v3 h2 { font-family: 'Kryspal Display', var(--font); font-weight: 600; letter-spacing: 0; }
body.v3 .sec { padding: clamp(72px, 10vw, 150px) 0 0; }
body.v3 .sec-head { max-width: 720px; margin: 0 0 clamp(32px, 4vw, 56px); }
body.v3 .sec-head h2 { margin-bottom: 12px; }

/* ---------- 按鈕 ---------- */
body.v3 .btn { min-height: 44px; border-radius: 6px; font-size: 15px; font-weight: 500; letter-spacing: 0.01em; border-color: var(--line-2); background: var(--ov-1); color: var(--fg); transition: transform 0.4s var(--out), background 0.2s ease, border-color 0.2s ease; }
body.v3 .btn:hover { background: var(--ov-2); border-color: rgba(255, 255, 255, 0.22); }
body.v3 .btn.primary { background: var(--accent-solid); color: var(--accent-on); border-color: transparent; box-shadow: var(--shadow-control), inset 0 1px 0 rgba(255, 255, 255, 0.3); }
body.v3 .btn.primary:hover { filter: brightness(1.08); transform: translateY(-1px); }

/* ---------- 首屏 ---------- */
.h-hero { position: relative; padding: 132px 0 0; text-align: center; overflow: hidden; }
.h-hero h1 { max-width: 20ch; margin: 0 auto 20px; }
.h-hero .lead { max-width: 640px; margin: 0 auto 32px; }
.h-hero .btns { margin-bottom: 0; }
.frame { --p: 0; position: relative; margin: clamp(48px, 7vw, 96px) auto 0; max-width: 1120px; perspective: 1600px; }
/* 首屏畫面外框就是 .dev（和全站一樣）；這層只負責傾斜與回正 */
.frame .glass { transform: rotateX(calc(10deg * (1 - var(--p)))) translateY(calc(-40px * var(--p))) scale(calc(0.96 + 0.04 * var(--p))); transform-origin: 50% 0; will-change: transform; }
.frame .zoom { display: block; }
.frame::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 38%; background: linear-gradient(180deg, transparent, var(--bg-base)); pointer-events: none; }
.strip { text-align: center; color: var(--fg-2); font-size: clamp(16px, 1.6vw, 19px); line-height: 1.5; margin: 36px auto 0; max-width: 760px; }

/* ---------- Bento ---------- */
.bento { display: grid; gap: 14px; grid-template-columns: repeat(3, 1fr); }
.bc { position: relative; display: flex; flex-direction: column; border-radius: 10px; background: linear-gradient(137deg, var(--surface), var(--bg-raised)); box-shadow: var(--shadow-card); overflow: hidden; min-height: 300px; transition: box-shadow 0.4s var(--out), transform 0.4s var(--out); }
.bc:hover { box-shadow: var(--shadow-facet-hover); }
.bc.w2 { grid-column: span 2; }
.bc .demo { flex: 1; display: grid; place-items: center; padding: 28px 24px 8px; min-height: 160px; }
.bc .txt { padding: 8px 24px 24px; }
.bc h3 { margin: 0 0 6px; font-size: 17px; }
.bc p { margin: 0; color: var(--fg-2); font-size: 14.5px; line-height: 1.5; }
@media (max-width: 900px) { .bento { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .bento { grid-template-columns: 1fr; } .bc.w2 { grid-column: auto; } .bc { min-height: 0; } }

/* 迷你動態：停在最終樣子；進入視窗（.on）才播放 */
.m-rail { width: 100%; overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.m-rail .track { display: flex; gap: 10px; width: max-content; }
.m-rail img { width: 92px; height: 138px; border-radius: 6px; box-shadow: 0 0 0 1px var(--line-2); flex: none; }
.m-apps { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; max-width: 280px; }
.m-apps span, .m-orig span, .m-ver .vp { font-size: 13px; font-weight: 500; padding: 6px 12px; border-radius: 6px; background: var(--ov-1); box-shadow: 0 0 0 1px var(--line-2); color: var(--fg); }
.m-orig { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; max-width: 280px; }
.m-orig span { font-family: var(--mono); font-size: 12px; letter-spacing: 0.04em; }
.m-orig span:nth-child(1), .m-orig span:nth-child(2) { color: var(--accent-on); background: var(--accent) }
.m-sub { list-style: none; margin: 0; padding: 6px; width: 100%; max-width: 230px; border-radius: 10px; background: var(--surface-strong); box-shadow: 0 0 0 1px var(--line-2); font-size: 13px; }
.m-sub li { padding: 7px 12px; border-radius: 6px; color: var(--fg-2); }
.m-sub li:nth-child(2) { background: rgba(92, 214, 242, 0.14); color: var(--fg); }
.m-skip { width: 100%; max-width: 280px; display: grid; gap: 14px; justify-items: end; }
.m-skip .tl { width: 100%; height: 6px; border-radius: 3px; background: var(--ov-2); position: relative; }
.m-skip .tl b { position: absolute; left: 8%; width: 22%; top: 0; bottom: 0; border-radius: 3px; background: var(--accent); box-shadow: 0 0 12px rgba(92, 214, 242, 0.6); }
.m-skip .sk { font-size: 13px; font-weight: 500; padding: 8px 14px; border-radius: 6px; background: var(--text); color: var(--bg-base); }
.m-ver { display: flex; gap: 8px; }
.m-ver .vp.on { color: var(--accent-on); background: var(--accent) }
.m-imp { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; font-size: 14px; color: var(--fg); width: 100%; max-width: 220px; }
.m-imp li { display: flex; align-items: center; gap: 10px; padding: 8px 12px; border-radius: 6px; background: var(--ov-1); box-shadow: 0 0 0 1px var(--line); }
.m-imp i { width: 16px; height: 16px; border-radius: 50%; background: var(--accent); position: relative; flex: none; }
.m-imp i::after { content: ''; position: absolute; left: 5px; top: 2px; width: 4px; height: 8px; border: solid var(--accent-on); border-width: 0 2px 2px 0; transform: rotate(45deg); }
.m-own svg { width: 72px; height: 72px; fill: none; stroke: var(--accent); stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }

@media (prefers-reduced-motion: no-preference) {
  .bento.on .m-rail .track { animation: rail 40s linear infinite; }
  .bento.on .m-sub li:nth-child(2) { animation: pick 6s ease-in-out infinite; }
  .bento.on .m-sub li:nth-child(4) { animation: pick2 6s ease-in-out infinite; }
  .bento.on .m-skip .sk { animation: pulse 2.4s ease-in-out infinite; }
  .bento.on .m-ver .vp { animation: swap 5s ease-in-out infinite; }
  .bento.on .m-ver .vp:nth-child(2) { animation-name: swap2; }
  .bento.on .m-imp i { animation: tick 4.5s ease-out infinite; }
  .bento.on .m-imp li:nth-child(2) i { animation-delay: 0.5s; } .bento.on .m-imp li:nth-child(3) i { animation-delay: 1s; }
  .bento.on .m-own svg { animation: float 4s ease-in-out infinite; }
  @keyframes rail { to { transform: translateX(-50%); } }
  @keyframes pick { 0%, 40% { background: rgba(92, 214, 242, 0.14); color: var(--text); } 50%, 90% { background: none; color: rgba(255, 255, 255, 0.66); } 100% { background: rgba(92, 214, 242, 0.14); color: var(--text); } }
  @keyframes pick2 { 0%, 40% { background: none; } 50%, 90% { background: rgba(92, 214, 242, 0.14); color: var(--text); } 100% { background: none; } }
  @keyframes pulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.35); } 50% { box-shadow: 0 0 0 8px rgba(255, 255, 255, 0); } }
  @keyframes swap { 0%, 45% { background: var(--accent); color: var(--accent-on); } 55%, 95% { background: var(--ov-1); color: var(--text); } 100% { background: var(--accent); color: var(--accent-on); } }
  @keyframes swap2 { 0%, 45% { background: var(--ov-1); color: var(--text); } 55%, 95% { background: var(--accent); color: var(--accent-on); } 100% { background: var(--ov-1); color: var(--text); } }
  @keyframes tick { 0% { transform: scale(0.2); opacity: 0; } 20%, 85% { transform: none; opacity: 1; } 100% { transform: scale(0.2); opacity: 0; } }
  @keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-5px); } }
}


/* ---------- 捲動敘事 ---------- */
.h-story { padding: clamp(80px, 11vw, 168px) 0 0; }
.h-story h2 { max-width: 16ch; margin-bottom: clamp(32px, 5vw, 64px); }
.story { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.4fr); gap: clamp(32px, 5vw, 72px); align-items: start; }
.sn { list-style: none; margin: 0; padding: 0; }
.step { min-height: 52vh; display: flex; flex-direction: column; justify-content: center; opacity: 0.5; transition: opacity 0.5s var(--out); }
.step.cur { opacity: 1; }
.step .n { font: 500 12px var(--mono); color: var(--accent); letter-spacing: 0.1em; margin-bottom: 10px; }
.step h3 { font-size: clamp(26px, 3vw, 36px); margin: 0 0 10px; letter-spacing: -0.022em; }
.step p { color: var(--fg-2); max-width: 36ch; margin: 0; }
.views { position: relative; align-self: stretch; }
.sticky { position: sticky; top: 14vh; aspect-ratio: 1440 / 900; }
.sticky .v { position: absolute; inset: 0; opacity: 0; transform: translateY(16px) scale(0.985); transition: opacity 0.6s var(--out), transform 0.8s var(--out); pointer-events: none; }
.sticky .v.cur { opacity: 1; transform: none; pointer-events: auto; }
.sticky .zoom { display: block; }
@media (max-width: 860px) {
  .story { grid-template-columns: 1fr; }
  .views { display: none; }
  .step { min-height: 0; opacity: 1; padding: 0 0 36px; }
  .h-story .step::after { content: none; }
}
.simg { display: none; }
@media (max-width: 860px) {
  .simg { display: block; margin-top: 20px; }
}

/* ---------- 效能（倍數卡；perf.json 沒有數字時整個區塊不輸出） ---------- */
.pcs { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; }
.pc { padding: 28px 24px; border-radius: 10px; background: linear-gradient(137deg, var(--surface), var(--bg-raised)); box-shadow: var(--shadow-card); }
.pc .big { display: block; font-size: clamp(48px, 6vw, 72px); line-height: 1; font-weight: 600; letter-spacing: -0.04em; color: var(--accent); margin-bottom: 14px; }
.pc h3 { font-size: 17px; margin: 0 0 6px; }
.pc .small { margin: 0; }


/* ---------- 架構 ---------- */
.arch { display: grid; gap: 32px; }
.nodes { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 56px; }
.nd { position: relative; z-index: 1; padding: 22px; border-radius: 10px; background: linear-gradient(137deg, var(--surface), var(--bg-raised)); box-shadow: 0 0 0 1px var(--line-2), inset 0 1px 0 var(--ov-1); }
.nd.n1 { box-shadow: var(--shadow-facet-hover); }
.nd b { display: block; font-weight: 590; margin-bottom: 4px; } .nd span { color: var(--fg-2); font-size: 14px; }
.wire { position: absolute; left: 0; right: 0; top: 50%; width: 100%; height: 40px; transform: translateY(-50%); z-index: 0; }
.wire path { vector-effect: non-scaling-stroke; fill: none; stroke: var(--accent); stroke-width: 2; stroke-dasharray: 2 10; stroke-linecap: round; opacity: 0.8; }
@media (prefers-reduced-motion: no-preference) {
  .arch.on .wire path { animation: dash 1.4s linear infinite; }
}
@media (max-width: 760px) {
  .nodes { grid-template-columns: 1fr; gap: 36px; } .wire { display: none; }
  }

/* ---------- 方案、FAQ、結尾 ---------- */
.pls { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 28px; }
.pl { padding: 24px; border-radius: 10px; background: linear-gradient(137deg, var(--surface), var(--bg-raised)); box-shadow: var(--shadow-card); }
.pl.ft { box-shadow: var(--shadow-facet-hover); }
.pl h3 { font: 500 13px var(--mono); letter-spacing: 0.1em; color: var(--accent); margin-bottom: 8px; }
.pl p { margin: 0; color: var(--fg-2); }
@media (max-width: 760px) { .pls { grid-template-columns: 1fr; } }
.fq { border-bottom: 1px solid var(--line); }
.fq summary { cursor: pointer; list-style: none; padding: 20px 40px 20px 0; font-weight: 500; font-size: 17px; position: relative; min-height: 44px; }
.fq summary::-webkit-details-marker { display: none; }
.fq summary::after { content: '+'; position: absolute; right: 4px; top: 16px; font-size: 22px; color: var(--fg-3); transition: transform 0.3s var(--out); }
.fq[open] summary::after { transform: rotate(45deg); }
.fq p { color: var(--fg-2); margin: 0 0 20px; max-width: 60ch; }
.h-faq .center { margin-top: 24px; }
.h-cta { text-align: center; position: relative; }
.h-cta .lead { margin: 0 auto 28px; }

/* ---------- 進場 ---------- */
@media (prefers-reduced-motion: no-preference) {
  body.v3 .rv { transition: opacity 1s var(--slow), transform 1s var(--slow); }
}
@media (prefers-reduced-motion: reduce) {
  .frame .glass { transform: none !important; }
  .sticky .v, .step { transition: none; }
}
body.v3 .foot { margin-top: 0; border-top: 1px solid var(--line); background: var(--bg-base); }
:root[data-theme='light'] body.v3 .grad { color: var(--accent); }
:root[data-theme='light'] .frame::after { background: linear-gradient(180deg, transparent, var(--bg-base)); }
body.v3:not(.home) main { padding-top: 88px; }

/* 架構區：為什麼快，四張卡 */
.apts { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.apts li { padding: 22px; border-radius: 10px; background: linear-gradient(137deg, var(--surface), var(--bg-raised)); box-shadow: var(--shadow-card); }
.apts h3 { font-size: 17px; margin: 0 0 6px; }
.apts p { color: var(--fg-2); font-size: 15px; margin: 0; }
@media (max-width: 1000px) { .apts { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .apts { grid-template-columns: 1fr; } }
.h-scale .pcs { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 760px) { .h-scale .pcs { grid-template-columns: repeat(2, minmax(0, 1fr)); } .h-scale .pc { padding: 20px 16px; min-width: 0; } .h-scale .pc .big { font-size: clamp(22px, 6.4vw, 40px); white-space: nowrap; } .h-scale .pc.hero .big { font-size: clamp(64px, 20vw, 96px); } }

/* 比較頁：我們這欄強調；手機改成逐列卡片 */
.mk { display: inline-block; width: 1.4em; font-weight: 700; }
.mk.y { color: var(--accent); }
.mk.n { color: var(--text-3); }
table.cmp td.dash { color: var(--text-3); }
table.cmp td:nth-child(2) { font-weight: 500; }
.cmp-note { margin-top: 20px; }
@media (max-width: 760px) {
  .tablewrap { overflow: visible; background: none; box-shadow: none; }
  table.cmp, table.cmp tbody, table.cmp tr, table.cmp td, table.cmp th { display: block; min-width: 0; width: auto; }
  table.cmp thead { display: none; }
  table.cmp tr { margin-bottom: 12px; border-radius: 10px; background: linear-gradient(137deg, var(--surface), var(--bg-raised)); box-shadow: var(--shadow-card); overflow: hidden; }
  table.cmp tbody th { width: auto; padding: 14px 16px 6px; color: var(--text); font-size: 16px; border: 0; }
  table.cmp td { padding: 6px 16px; border: 0; background: none !important; }
  table.cmp td::before { content: attr(data-label); display: block; font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-3); }
  table.cmp td:nth-child(2) { background: var(--accent-soft) !important; margin: 4px 0; padding: 10px 16px; }
  table.cmp td:last-child { padding-bottom: 14px; }
}

table.cmp tr.grp th { background: none; padding: 22px 18px 8px; font-size: 13px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); border: 0; }
table.cmp .sub { display: block; margin-top: 4px; font-size: 13px; font-weight: 400; color: var(--text-3); }
@media (max-width: 760px) { table.cmp tr.grp { background: none; box-shadow: none; margin: 18px 0 6px; } table.cmp tr.grp th { padding: 0 4px; } }

/* 演員時間軸（首頁小卡） */
/* 倍數大卡（最前面一張，跨整列） */
/* 中文搜索（只在中文版） */
.srch { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: clamp(24px, 4vw, 56px); align-items: center; }
.srch .box { padding: 20px; border-radius: 10px; background: linear-gradient(137deg, var(--surface), var(--bg-raised)); box-shadow: var(--shadow-card); min-height: 220px; }
.srch .field { display: flex; align-items: center; gap: 10px; height: 44px; padding: 0 14px; border-radius: 6px; background: var(--surface-strong); box-shadow: 0 0 0 1px var(--line-2); }
.srch .field svg { width: 18px; height: 18px; fill: none; stroke: var(--text-3); stroke-width: 2; stroke-linecap: round; flex: none; }
.srch .qwrap { position: relative; flex: 1; height: 24px; font: 500 16px/24px var(--mono); color: var(--fg); }
.srch .qs { position: absolute; left: 0; top: 0; opacity: 0; }
.srch .qs.q0 { opacity: 1; }
.srch .results { list-style: none; margin: 14px 0 0; padding: 0; position: relative; height: 56px; }
.srch .rs { position: absolute; left: 0; right: 0; top: 0; opacity: 0; display: flex; align-items: center; height: 48px; padding: 0 14px; border-radius: 6px; background: var(--accent-soft); font-size: 17px; }
.srch .rs.r0 { opacity: 1; }
.srch .pts { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; font-size: 17px; color: var(--fg-2); }
.srch .pts li { position: relative; padding-left: 22px; }
.srch .pts li::before { content: ''; position: absolute; left: 2px; top: 0.7em; width: 8px; height: 8px; border-radius: 2px; background: var(--accent); transform: rotate(45deg); }
@media (prefers-reduced-motion: no-preference) {
  .srch.on .qs.q0 { animation: qa 9s infinite; } .srch.on .qs.q1 { animation: qb 9s infinite; } .srch.on .qs.q2 { animation: qc 9s infinite; }
  .srch.on .rs.r0 { animation: qa 9s infinite; } .srch.on .rs.r1 { animation: qb 9s infinite; } .srch.on .rs.r2 { animation: qc 9s infinite; }
  @keyframes qa { 0%, 30% { opacity: 1; } 33%, 97% { opacity: 0; } 100% { opacity: 1; } }
  @keyframes qb { 0%, 30% { opacity: 0; } 33%, 63% { opacity: 1; } 66%, 100% { opacity: 0; } }
  @keyframes qc { 0%, 63% { opacity: 0; } 66%, 97% { opacity: 1; } 100% { opacity: 0; } }
}
@media (max-width: 860px) { .srch { grid-template-columns: 1fr; } }

/* 演員時間軸小卡（縱向，佔兩列放在最右欄）和格線對齊 */
.bc.tall { grid-column: 3; grid-row: 1 / span 2; }
@media (max-width: 900px) { .bc.tall { grid-column: 1 / -1; grid-row: auto; } }
@media (max-width: 620px) { .bc.w2, .bc.tall { grid-column: auto; } }

/* 安裝頁：進階區（可摺疊）與遷移提示的距離 */
details.adv { margin: 28px 0 0; border-radius: 10px; background: linear-gradient(137deg, var(--surface), var(--bg-raised)); box-shadow: var(--shadow-card); }
details.adv summary { cursor: pointer; list-style: none; padding: 16px 20px; font-weight: 590; }
details.adv summary::-webkit-details-marker { display: none; }
details.adv summary::after { content: '+'; float: right; color: var(--text-3); font-size: 20px; line-height: 1; }
details.adv[open] summary::after { content: '−'; }
.adv-body { padding: 0 20px 18px; display: grid; gap: 12px; }
.adv-i strong { display: block; font-size: 15px; margin-bottom: 4px; }
.adv-i pre { margin: 0; }
.doc .cta-note { margin-top: clamp(56px, 8vw, 96px); }

/* 長文頁：不要窄欄加兩側空白 */
.legal { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: clamp(32px, 5vw, 72px); align-items: start; }
.toc-side { position: sticky; top: 88px; }
.toc-side .toc-h { font: 600 12px var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-3); margin: 0 0 10px; }
.toc-side ol, .toc-drop ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.toc-side a, .toc-drop a { display: block; padding: 6px 12px; border-radius: 6px; color: var(--text-2); text-decoration: none; font-size: 14px; line-height: 1.4; }
.toc-side a:hover, .toc-drop a:hover { color: var(--text); background: var(--ov-1); }
.toc-side a[aria-current='true'] { color: var(--text); background: var(--accent-soft); }
.toc-drop { display: none; margin: 0 0 20px; border-radius: 10px; background: linear-gradient(137deg, var(--surface), var(--bg-raised)); box-shadow: var(--shadow-card); }
.toc-drop summary { cursor: pointer; list-style: none; padding: 14px 18px; font-weight: 590; }
.toc-drop summary::-webkit-details-marker { display: none; }
.toc-drop ol { padding: 0 8px 10px; }
.legal-body { max-width: none; }
.legal-body > p, .legal-body > ul, .legal-body > ol, .legal-body li { max-width: none; }
.legal-body h2 { scroll-margin-top: 88px; }
.legal-body h2:first-child { margin-top: 0; }
@media (max-width: 900px) { .legal { grid-template-columns: 1fr; gap: 0; } .toc-side { display: none; } .toc-drop { display: block; } }
.legal-two { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr); gap: clamp(24px, 4vw, 56px); align-items: start; }
.legal-two .doc > h2:first-child { margin-top: 0; }
@media (max-width: 760px) { .legal-two { grid-template-columns: 1fr; } }
/* 遷移頁：步驟與注意事項用格子 */
.mig h2 { margin: clamp(40px, 6vw, 72px) 0 20px; font-size: 26px; }
.mig h2:first-child { margin-top: 0; }
.cardrow { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; }
.cardrow li { padding: 18px 20px; border-radius: 10px; background: linear-gradient(137deg, var(--surface), var(--bg-raised)); box-shadow: var(--shadow-card); color: var(--text-2); font-size: 15px; line-height: 1.55; margin: 0; }
.stepgrid { counter-reset: s; list-style: none; margin: clamp(28px, 4vw, 48px) 0 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.stepgrid li { counter-increment: s; position: relative; padding: 20px 22px 20px 64px; border-radius: 10px; background: linear-gradient(137deg, var(--surface), var(--bg-raised)); box-shadow: var(--shadow-card); color: var(--text-2); font-size: 15px; line-height: 1.55; margin: 0; }
.stepgrid li::before { content: counter(s); position: absolute; left: 20px; top: 20px; width: 30px; height: 30px; border-radius: 50%; background: var(--accent-soft); color: var(--accent); font: 600 14px/30px var(--mono); text-align: center; }
.stepgrid strong { display: block; color: var(--text); font-size: 17px; margin-bottom: 4px; }
@media (max-width: 760px) { .stepgrid { grid-template-columns: 1fr; } }
.mig-note { margin-top: clamp(40px, 6vw, 72px); }
/* FAQ：兩欄 */
.faqgrid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 14px; align-items: start; }
.faqgrid details.faq { margin: 0; }
@media (max-width: 860px) { .faqgrid { grid-template-columns: 1fr; } }
/* 更新日誌：左標題、右分組成格 */
.log { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: clamp(24px, 4vw, 56px); align-items: start; }
.log-h h2 { margin: 0 0 6px; }
.log-groups { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.log-groups > * { min-width: 0; }
@media (max-width: 860px) { .log { grid-template-columns: 1fr; } .log-groups { grid-template-columns: 1fr; } }
/* 長文頁的小節標題：不用大號行銷標題 */
body.v3 .legal-body h2, body.v3 .mig h2 { font-size: 26px; line-height: 1.25; letter-spacing: -0.01em; margin: 44px 0 14px; }
html[lang='en'] body.v3 .legal-body h2 { font-family: var(--font); font-weight: 600; }
body.v3 .legal-body h2:first-child, body.v3 .legal-body > h2:first-of-type { margin-top: 0; }
body.v3 .mig h2:first-child { margin-top: 0; }

/* 比較頁：格子裡只有短詞、數字與圖示；我們這欄的關鍵數字用大字與品牌色 */
table.cmp td .tx { font-size: 15px; }
table.cmp td .bigv { font-size: 26px; font-weight: 600; letter-spacing: -0.01em; color: var(--accent); }
table.cmp td .mk { width: auto; margin-right: 6px; }
table.cmp tbody th { width: 160px; }
@media (max-width: 760px) { table.cmp td .bigv { font-size: 22px; } }

/* 30× 大卡：左邊大字與說明，右邊垂直置中的按鈕（窄螢幕在大字下方，不撐滿） */
.pc.hero { grid-column: 1 / -1; display: flex; align-items: center; justify-content: space-between; gap: 24px 40px; padding: clamp(24px, 4vw, 40px); text-align: left; }
.pc.hero .hl { display: flex; align-items: center; gap: clamp(20px, 4vw, 48px); min-width: 0; }
.pc.hero .big { font-size: clamp(64px, 10vw, 112px); margin: 0; }
.pc.hero h3 { font-size: clamp(20px, 2.4vw, 28px); margin: 0; font-weight: 590; max-width: 24ch; }
.pc.hero .cta { display: inline-flex; align-items: center; gap: 10px; min-height: 48px; padding: 0 22px 0 26px; border-radius: 999px; color: var(--accent); font-weight: 590; font-size: 16px; text-decoration: none; background: var(--accent-soft); box-shadow: inset 0 1px 0 var(--edge-glint, rgba(220, 245, 255, 0.4)), 0 0 0 1px color-mix(in srgb, var(--accent) 45%, transparent); flex: none; }
.pc.hero .cta svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.pc.hero .cta:hover { box-shadow: var(--shadow-facet-hover); }
.pc.hero .cta:focus-visible { outline: 2px solid var(--focus); outline-offset: 3px; }
@media (prefers-reduced-motion: no-preference) {
  .pc.hero .cta { transition: box-shadow 0.25s ease, transform 0.25s var(--out); }
  .pc.hero .cta svg { transition: transform 0.25s var(--out); }
  .pc.hero .cta:hover { transform: translateY(-1px); }
  .pc.hero .cta:hover svg { transform: translateX(4px); }
}
@media (max-width: 620px) { .pc.hero { flex-direction: column; align-items: flex-start; } .pc.hero .hl { flex-direction: column; align-items: flex-start; gap: 8px; } }

/* 演員時間軸小卡：每年 1～3 張海報，軸從上到下撐滿整張縱向卡 */
.bc.tall .demo { align-items: stretch; place-items: stretch; padding: 24px 24px 8px; }
.m-tl { list-style: none; margin: 0; padding: 0 0 0 20px; display: flex; flex-direction: column; justify-content: space-between; gap: 14px; border-left: 2px solid var(--line-2); width: 100%; max-width: 300px; margin-inline: auto; }
.m-tl li { position: relative; display: grid; grid-template-columns: 44px 1fr; gap: 10px; align-items: center; }
.m-tl li::before { content: ''; position: absolute; left: -26px; top: 50%; width: 10px; height: 10px; margin-top: -5px; border-radius: 50%; background: var(--accent); }
.m-tl b { font: 600 13px var(--mono); color: var(--accent); }
.m-tl .pr { display: flex; gap: 6px; }
.m-tl img { width: 44px; height: 66px; border-radius: 4px; box-shadow: 0 0 0 1px var(--line-2); }
@media (max-width: 900px) { .bc.tall .demo { align-items: center; } .m-tl { justify-content: flex-start; } }

/* 安裝尚未開放：「即將發布」的停用按鈕與導覽項（tools/soon.py） */
.btn.soon { opacity: 0.55; cursor: default; pointer-events: none; box-shadow: none; }
body.v3 .nav .soon-tag, .mmenu .soon-tag { color: var(--fg-3, var(--fg-2)); font-size: 14px; font-weight: 500; padding: 6px 13px; white-space: nowrap; cursor: default; }
.foot .soon-tag, footer .soon-tag { display: block; color: var(--fg-3, var(--fg-2)); cursor: default; }

/* 價格頁：每個方案列出各計費週期的價格，公測說明在方案上方 */
.beta-line { margin: 0 0 18px; color: var(--fg-2, var(--text-2)); font-size: 15px; text-align: center; }
.plan .price { font-size: 15px; font-weight: 500; }
.plan .price .pr { display: block; margin: 2px 0; }
.plan .price .pr b { font-size: 26px; font-weight: 700; letter-spacing: -0.01em; }
.plan .price .pr small { display: inline; font-size: 13px; color: var(--fg-2, var(--text-2)); }
.plan .price .pr.eb .u { color: var(--fg-2, var(--text-2)); font-weight: 500; }
.plan .price .pr.eb b { color: var(--accent, var(--fg)); }
.beta-line { margin: 18px 0 8px; }

/* 價格頁的方案對照表：四欄（項目、FREE、PRO、MAX），勾與「—」 */
.plans-cmp { margin-top: 28px; }
.plans-cmp th[scope='row'] { width: 46%; font-weight: 500; }
.plans-cmp td { text-align: center; }
.plans-cmp td .tx { margin-left: 4px; }

/* 方案識別（變更單 0144）：色取自 web/src/shared/plan/plan.css 的 --kn-plan-* token，官網用靜態版 */
:root {
  --kn-plan-pro-a: #a9b4ff; --kn-plan-pro-b: #7a86f0; --kn-plan-pro-ink: #0f1330; --kn-plan-pro-edge: rgba(190, 200, 255, 0.55); --kn-plan-pro-glow: rgba(122, 134, 240, 0.4);
  --kn-plan-max-a: #ffe7a6; --kn-plan-max-b: #d9a441; --kn-plan-max-ink: #2a1c02; --kn-plan-max-edge: rgba(255, 226, 150, 0.6); --kn-plan-max-glow: rgba(224, 170, 70, 0.42);
}
:root[data-theme='light'] {
    --kn-plan-pro-a: #8d99ff; --kn-plan-pro-b: #5563d6; --kn-plan-pro-ink: #ffffff; --kn-plan-pro-edge: rgba(70, 85, 200, 0.5); --kn-plan-pro-glow: rgba(85, 99, 214, 0.28);
    --kn-plan-max-a: #f4c65c; --kn-plan-max-b: #b27a12; --kn-plan-max-ink: #ffffff; --kn-plan-max-edge: rgba(170, 115, 15, 0.55); --kn-plan-max-glow: rgba(178, 122, 18, 0.26);
  }
.kn-plan { display: inline-flex; align-items: center; height: 22px; padding: 0 10px; border-radius: 999px; font: 700 12px/1 inherit; letter-spacing: 0.08em; color: var(--kn-plan-pro-ink); background: linear-gradient(135deg, var(--kn-plan-pro-a), var(--kn-plan-pro-b)); box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.55), 0 0 0 1px var(--kn-plan-pro-edge), 0 2px 8px -2px var(--kn-plan-pro-glow); }
.kn-plan[data-plan='max'] { color: var(--kn-plan-max-ink); background: linear-gradient(135deg, var(--kn-plan-max-a), var(--kn-plan-max-b)); box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.55), 0 0 0 1px var(--kn-plan-max-edge), 0 2px 8px -2px var(--kn-plan-max-glow); }
.plan-free { font-size: 12px; font-weight: 700; letter-spacing: 0.08em; color: var(--fg-2, var(--text-2)); }
.plan-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; min-height: 24px; }
.plan-flag { font-size: 12px; font-weight: 600; color: var(--fg-2, var(--text-2)); }
.plan[data-plan='pro'] { box-shadow: 0 0 0 1px var(--kn-plan-pro-edge), 0 8px 28px -12px var(--kn-plan-pro-glow); }
.plan[data-plan='max'] { box-shadow: 0 0 0 1px var(--kn-plan-max-edge), 0 8px 28px -12px var(--kn-plan-max-glow); }
.plan h2 { font-size: 22px; margin: 10px 0 4px; }
.plan-note { margin: 6px 0 0; font-size: 13px; color: var(--fg-2, var(--text-2)); }
.trial-cta { margin: 6px 0 24px; }
.matrix { margin-top: 24px; display: grid; gap: 14px; }
.mgrp > summary { cursor: pointer; font-weight: 700; font-size: 16px; padding: 10px 2px; list-style: none; }
.mgrp > summary::-webkit-details-marker { display: none; }
.mgrp > summary::after { content: '–'; float: right; color: var(--fg-2, var(--text-2)); }
.mgrp:not([open]) > summary::after { content: '+'; }
.plans-cmp .tx { margin-left: 0; }
.plan li.lead-li { color: var(--fg, var(--text)); padding-left: 0; }
.plan li.lead-li::before { content: none; }

/* 價格卡（行銷版重排）：三欄等寬等高、每行不換行；平板與手機一欄 */
.wrap.wide { max-width: 1200px; }
.plans { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; align-items: stretch; }
@media (max-width: 1099px) { .plans { grid-template-columns: minmax(0, 520px); justify-content: center; } }
.plan { padding: 24px 22px; }
.plan h2 { font-size: 22px; margin: 14px 0 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.plan .price { display: flex; flex-direction: column; gap: 4px; min-height: 0; margin: 0 0 16px; padding-bottom: 16px; border-bottom: 1px solid var(--ov-2, rgba(255, 255, 255, 0.1)); }
.plan .p-main { display: flex; align-items: baseline; gap: 8px; white-space: nowrap; }
.plan .p-main b { font-size: 40px; font-weight: 700; line-height: 1.05; letter-spacing: -0.02em; }
.plan .p-unit { font-size: 13px; font-weight: 500; color: var(--fg-2, var(--text-2)); }
.plan .p-then { min-height: 20px; font-size: 14px; color: var(--fg-2, var(--text-2)); }
.plan .p-alt { font-size: 13px; color: var(--fg-2, var(--text-2)); white-space: nowrap; }
.plan .chip { display: inline-block; max-width: 100%; padding: 3px 10px; border-radius: 999px; font-size: 12.5px; font-weight: 600; white-space: nowrap; color: var(--kn-plan-max-text, var(--kn-plan-max-b)); background: color-mix(in srgb, var(--kn-plan-max-a) 18%, transparent); box-shadow: 0 0 0 1px var(--kn-plan-max-edge); }
.plan ul { margin: 0; gap: 11px; }
.plan li { display: flex; align-items: center; gap: 9px; padding-left: 0; font-size: 14px; line-height: 1.35; white-space: nowrap; color: var(--fg, var(--text)); }
.plan li::before { content: none; }
.plan li svg { flex: none; width: 15px; height: 15px; color: var(--kn-plan-pro-b); }
.plan[data-plan='max'] li svg { color: var(--kn-plan-max-b); }
.plan[data-plan='free'] li svg { color: var(--fg-2, var(--text-2)); }
.plan li.lead-li { display: block; padding-top: 2px; font-size: 12px; font-weight: 700; letter-spacing: 0.04em; text-transform: none; color: var(--fg-2, var(--text-2)); }
.plan[data-plan='max'] { background: linear-gradient(180deg, color-mix(in srgb, var(--kn-plan-max-a) 10%, var(--surface, transparent)), var(--surface, transparent)); box-shadow: 0 0 0 1.5px var(--kn-plan-max-edge), 0 18px 48px -16px var(--kn-plan-max-glow); }
@media (min-width: 1100px) { .plan[data-plan='max'] { transform: translateY(-6px); } }
.soon-chip { display: inline-block; margin-left: 4px; padding: 1px 8px; border-radius: 999px; font-size: 0.78em; font-weight: 600; line-height: 1.5; white-space: nowrap; vertical-align: 0.08em; color: var(--fg-2, var(--text-2)); background: var(--ov-1, rgba(255, 255, 255, 0.06)); box-shadow: 0 0 0 1px var(--ov-2, rgba(255, 255, 255, 0.12)); }
body.v3 .plans .plan h2 { font-size: 20px; line-height: 1.25; letter-spacing: 0; }
@media (min-width: 1100px) { .plan .price { min-height: 118px; } }

/* 主題切換：預設深色；月亮＝目前是深色（aria-pressed），太陽＝目前是淺色 */
.theme-btn { display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; margin-left: 6px; padding: 0; border: 1px solid var(--line-2, var(--edge-strong)); border-radius: 999px; background: transparent; color: var(--fg-2, var(--text-2)); cursor: pointer; flex: none; }
.theme-btn:hover { color: var(--fg, var(--text)); background: var(--ov-1, var(--accent-soft)); }
.theme-btn:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
.theme-btn .i-sun { display: none; }
:root[data-theme='light'] .theme-btn .i-moon { display: none; }
:root[data-theme='light'] .theme-btn .i-sun { display: inline; }
.top .mmenu { margin-left: 0; }
@media (max-width: 720px) { .theme-btn { margin-left: auto; } .top .mmenu { margin-left: 8px; } }
:root[data-theme='light'] { color-scheme: light; }
.pcs .scale-note { grid-column: 1 / -1; margin: 6px 0 0; text-align: center; }